
3 Bedroom Apartments for Rent in St Marys, ON (31 Rentals)


Centro

Wynbrook & Mayfair

Rittenhouse Place

Civic 66
Roommate Matching: Finding the Right Fit and Avoiding Pitfalls
When searching for a roommate, follow this list of essential steps and set clear expectations to create a solid foundation for a harmonious living situation.

180 Mill Street

Kingswell Towers

SOHOSQ Rentals

Somerset Place Apartments

Alto Towers (marketing list CLO)

675 Richmond
The Art of the Rental Viewing: What to look for during a property tour
Touring a rental? This guide helps you know exactly what to look for, from safety features to hidden flaws, so you can confidently sign your lease or keep searching.

190 Cherryhill Cir

The Mayfair

Ridout Towers

Parkdale Place

Trillium Towers I/II

695 Proudfoot Lane

329 Salisbury St
Smart Renter's Guide: Calculating Affordable Rent & Housing Costs
Wondering how to determine your rental budget? This comprehensive guide covers everything from the 30% rule to hidden fees and effective budgeting strategies.

85-J85 Bankside Dr

11 Tidey St

2649 Bateman Trl

520 Parkside Dr

Kappele Circle

939 Western

Sunnydale
Navigating the Rental Market: Tips for First-Time Renters
Entering the rental market? Learn these simple tips and strategies to avoid common pitfalls and make confident choices. Rent with peace of mind.

Aqui on King

Beacon Tower

Park Place
St Marys, ON Local Guide
How much does it cost to rent an apartment in St Marys?
| Bedroom | Average Rent | Cheapest Rent | Highest Rent |
|---|---|---|---|
| St Marys Studio Apartments | $1,363 | $1,049 | $1,539 |
| St Marys 1 Bedroom Apartments | $1,734 | $1,099 | $2,985 |
| St Marys 2 Bedroom Apartments | $2,193 | $1,225 | $4,771 |
| St Marys 3 Bedroom Apartments | $2,594 | $1,665 | $4,329 |
| St Marys 4 Bedroom Apartments | $1,190 | $934 | $1,320 |
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St Marys, ON Local Guide
- Nearby Cities
Largest Available St Marys and Nearby 3 Bedroom Apartments
The largest available 3 Bedroom apartment unit in St Marys, ON is found at 190 Cherryhill Cir and is 1,830 square feet priced from $2,799. Centro has the second largest 3 Bedroom, which is sized at 1,606 square feet and currently listed start at $4,329. Here is today’s list of the largest available 3 Bedroom units in St Marys:
| Apartment Listing | Model Name | Square Footage | Priced From |
|---|---|---|---|
| 190 Cherryhill Cir | Three Bedroom Pent House | 1,830 Sq Ft | $2,799 |
| Centro | Eclipse | 1,606 Sq Ft | $4,329 |
| Sunnydale | 3 Bedroom(s) and 1.5 Bathroom(s) | 1,500 Sq Ft | $2,500 |
| Trillium Towers I/II | 3 Bedroom | 1,430 Sq Ft | $1,665 |
| 675 Richmond | 3 Bedroom | 1,386 Sq Ft | $2,299 |
| Clarence Square | 3 Bed, 2 Bath - Dundas Penthouse | 1,374 Sq Ft | $3,800 |
| Revo on King St | Three Bedroom | 1,265 Sq Ft | $1,825 |
| Somerset Place Apartments | 3 Bed 1.5 Bath A | 1,250 Sq Ft | $2,495 |
| Parkdale Place | 3 Bedroom | 1,095 Sq Ft | $1,899 |
| SOHOSQ Rentals | SO3B01 | 1,022 Sq Ft | $2,749 |
Cheapest Available St Marys and Nearby 3 Bedroom Apartments
As of January 14, 2026 the lowest priced 3 Bedroom apartment unit in St Marys, ON is the 3 Bedroom Model starting from $1,665 at Trillium Towers I/II . The second most affordable St Marys 3 Bedroom is the Three Bedroom Model at Revo on King St starting at $1,825 . The average price for all 3 Bedroom apartments in St Marys is currently $2,594. Here is today’s list of the cheapest available 3 Bedroom options in St Marys:
| Apartment Listing | Model Name | Priced From |
|---|---|---|
| Trillium Towers I/II | 3 Bedroom | $1,665 |
| Revo on King St | Three Bedroom | $1,825 |
| Ridout Towers | 3 Bedroom | $1,849 |
| Parkdale Place | 3 Bedroom | $1,899 |
| The Mayfair | 3 Bedroom - 1 Bathroom Suites | $2,273 |
| 675 Richmond | 3 Bedroom | $2,299 |
| 939 Western | 939 Western - Plan A | $2,399 |
| Somerset Place Apartments | 3 Bed 1.5 Bath A | $2,495 |
| Sunnydale | 3 Bedroom(s) and 1.5 Bathroom(s) | $2,500 |
| SOHOSQ Rentals | SO3B02 | $2,749 |
Don't Settle: How to Negotiate Your Apartment Lease and Save Money
Discover the insider tips from an attorney and real estate agent on how to negotiate your next apartment lease. Find out what's on the table and what's not, so you can save money and get the best terms possible.
Read ArticleThe Ultimate Long-Distance Moving Checklist: Tips from a Real Estate Pro
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Read ArticleQuick Rent Budget Calculator
How much rent can you afford?
The common "Rule of Thumb" is that rent should be no more than 30% of your income. How much is that? Enter your monthly income and click "Calculate My Budget" to find out.
Remember the 3 Rules of Real Estate:Location, Location, Location!
Explore St Marys, ON Rentals by Map
See the most popular apartments and homes in St Marys, ON
Frequently Asked Questions about 3 Bedroom St Marys Apartments
What is the Cheapest apartment in St Marys with 3 Bedroom?
Currently the most affordable 3 Bedroom in St Marys is at Trillium Towers I/II listed at $1,665.
How much is the average rent for a 3 Bedroom St Marys Apartment?
The average rent for a 3 Bedroom Apartment in St Marys is $2,594.
What is the largest available 3 Bedroom St Marys Apartment for rent?
Today's apartment with the most square footage in St Marys is a 1,830 square feet unit starting from $2,799 at 190 Cherryhill Cir.
What is the average size for St Marys 3 Bedroom Apartments for rent?
The average size for a 3 Bedroom rental in St Marys is currently 1,800 sq ft.
Expert Rental Resources
The rental experts at ApartmentHomeLiving.com provide you with top advice, tools, and tips for understanding the leasing process and finding the perfect rental. Here are a few helpful rental and leasing articles from our experts to guide you on your search.
Articles, How-To's, and Tips

Renting with Roommates: Realistic Expectations for Shared Lease
Written by: Christine Leonard, Esq.
Given the high costs for housing, I have found that many people are looking for a roommate to share expenses. These arrangements can increase opportunities for more desirable and larger spaces.

A Renters Guide for Tips on Writing Your Notice for Not Renewing Your Apartment
Written by: Bob Mallory
Packing up everything you own to move is so stressful for many that ending your apartment lease can feel like a small or unimportant task. Ending your lease involves more than simply turning over your keys on the last day.

Apartment Common Area Rules: What Renters Need to Know
Written by: Christine Leonard, Esq.
Back in the day when I rented one of my first apartments, the property didn’t even have laundry in the building. Now, rental properties are often competing against each other to provide the best amenities.

How to Negotiate Your Apartment Lease and Save Money
Written by: Christine Leonard, Esq.
Everything is a negotiation in real estate!


